
Organization · Venture Capital
Clean Energy Ventures
Clean Energy Ventures is a Boston-based venture capital firm founded in 2005, focusing on early-stage climate technology companies that develop advanced energy technologies and business model innovations to mitigate climate change.
Overview
What Clean Energy Ventures does
What Clean Energy Ventures is
Clean Energy Ventures is a Boston-based venture capital firm founded in 2005, focusing on early-stage climate technology companies that develop advanced energy technologies and business model innovations to mitigate climate change.
How it participates in the startup ecosystem
The current public profile supports funder capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Venture Capital
- Founded
- Founded in 2005
- Approximate age
- About 21 years
- Structured capabilities
- Funder
- Last reviewed
- February 28, 2026
Official channels
Find Clean Energy Ventures elsewhere
Open the official website or a supported primary organization account.
Capability profile
Clean Energy Ventures as a funder
Investment thesis
Financing seed and Series A climate tech startups with potential to mitigate at least 2.5 gigatons of CO2e by 2050
Focus narrative
Exclusively technologies capable of mitigating 2.5+ gigatons CO2e by 2050. Battery recycling, grid enhancement, advanced materials, electrified thermal, sustainable hydrogen.
Value beyond capital
Co-developing patents, talent acquisition, strategic marketing, technical support from physicist/engineer team. First VC backer for most portfolio companies.
Terms and economics
- Typical check
- $1,000,000–$10,000,000
- Sweet spot
- $6,500,000
Focus and fit
- Stages
- Seed · Series A
- Sectors
- Clean Energy · Renewable Energy · Energy · Battery · Ev Charging · Smart Grid · Green Hydrogen · Carbon Capture
- Regions
- North AmericaUnited States
Availability
- Currently deploying
- Yes
Portfolio and track record
- Recorded portfolio count
- 50
- Investments in the last 12 months
- 7
- Last recorded investment
- May 9, 2025
- Recorded notable exits
- Powerhouse Dynamics, PurposeEnergy, and 7AC
Portfolio context
50 companies. 95% of Fund I thriving with >1x multiples. Pre-Fund portfolio: 34% net IRR, 3x multiple. Includes Nth Cycle, LineVision, Boston Materials, Electrified Thermal Solutions.
Related programs
Programs hosted by Clean Energy Ventures
Connected ecosystem
Continue from Clean Energy Ventures
These links use structured organization type, sector, and regional relationships. They do not imply endorsement or commercial similarity.
Same organization type
Structured sector focus
Structured regional focus
Common questions
What to know about Clean Energy Ventures
Upseed classifies Clean Energy Ventures under the Venture Capital organization type. Its current public profile includes funder capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
February 28, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.